CN101336899A - Anticancer sustained-released injection containing taxane - Google Patents
Anticancer sustained-released injection containing taxane Download PDFInfo
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Abstract
An anticancer sustained-released injection containing taxane comprises sustained-released microspheres and a solvent. The sustained-released microspheres comprise an anticancer effective ingredient and a sustained-released adjuvant, and the solvent is a common solvent or a special solvent containing a suspending agent. The anticancer effective ingredient is taxane and/or taxane synergist; the taxane synergist is selected from an antitumor antibiotic, an anti-metabolism drug and/or a plant alkaloid; the sustained-released adjuvant is selected from poly(lactic acid), polyactic acid-polyglycolic acid copolymer, ethylene-vinyl acetate copolymer, polifeprosan, difatty acid and sebacic acid copolymer, etc.; and the suspending agent has a viscosity of 100-3,000cp (20-30 DEG C) and is selected from sodium carboxymethyl cellulose, Tween 80, etc. The sustained-released microspheres can also be made into a sustained-released implant, which can sustain effective drug concentration by intratumoral or peritumoral injection or placement, and can distinctly reduce the systemic toxic reaction of drug and selectively enhance the curative effect of non-operative treatments such as chemotherapy and radiotherapy.
Description
(1) technical field
The present invention relates to a kind of slow-releasing anticarcinogen injection and preparation method thereof, belong to technical field of pharmaceuticals.Particularly, the invention provides a kind of contain taxane and or the anticancer medicine slow-release preparation containing of taxane synergist, be mainly slow releasing injection and sustained-release implant.
(2) background technology
As a kind of chemotherapeutics commonly used, paclitaxel has been widely used in the treatment of multiple malignant tumor, and action effect is comparatively obvious.Yet its tangible general toxicity has greatly limited the application of this medicine.Moreover, blood vessel in the mesenchyma stroma of tumors, connective tissue, stromatin, fine micro protein and collagen protein etc. not only provide support and requisite nutrient substance for the growth of tumor cell, also influenced chemotherapeutics around tumor and the infiltration in the tumor tissues and diffusion (carry and to wait " situation of extracellular matrix to entity tumor in the medicine influence of turning round " " cancer research " 60 phase 2497-503 page or leaf (2000) (Netti PA referring to the Buddhist nun, Cancer Res.2000,60 (9): 2497-503).Because entity tumor excessive expansion hypertrophy, the viscosity of matter was high than its normal surrounding tissue all between matter pressure, tissue elasticity pressure, fluid pressure reached therebetween, therefore, conventional chemotherapy, be difficult to tumor by local and form effective drug level, referring to " placing cisplatin adding system carmustine treatment rat brain tumor in the tumor " " surgery tumor magazine " 69 phase 76-82 pages or leaves (1998) (Kong Q et al., J Surg Oncol.1998 Oct such as Kong Qingzhongs; 69 (2): 76-82), improve the restriction that dosage is subjected to general reaction again merely.Pharmaceutical topical application may solve the problem (Chinese patent) of drug level to a certain extent, yet operation techniques such as medicine implantation are complicated, traumatic big, the various complication such as, infection hemorrhage, immunity reduction, also can cause or quicken the diffusion and the transfer of tumor except that easily causing.In addition, the preparation of perioperatively itself and expensive expense usually influence its effective enforcement.
In addition, the cancer drug therapy of low dosage not only can increase the Drug tolerance of cancerous cell, but also can promote its infiltrative growth " (referring to beam etc. " increased the Drug tolerance of human lung carcinoma cell and external wetting capacity after the cancer therapy drug pulse screening and with the change of gene expression " " international journal of cancer " 111 phase 484-93 page or leaf (2004) (Liang Y; etal., Iht J Cancer.2004; 111 (4): 484-93).
Therefore, be convenient to keep high drug level and increase tumor cell the preparation and the method for the sensitivity of medicine just become an important subject at tumor by local.
(3) summary of the invention
Taxane has been widely used in the treatment kinds of tumors as class cancer therapy drug commonly used, as the cerebral tumor etc.Yet in application process, its tangible general toxicity has greatly limited the application of this medicine.
Be effectively to improve tumor by local drug level, reduce the drug level of medicine in blood circulation, people have studied the drug sustained release system that contains taxane, comprise that sustained-release micro-spheres (capsule) (sees: (China Patent No. ZL00809160.9; Application number 91109723.6), Ciftci K etc. " with the polylactic acid microsphere treatment entity tumor that contains fluorouracil and the research of drug release " " drug development technology (Pharm Dev Technol.) 2 (2): 151-60,1997), sustained-release implant (sees: China Patent No. ZL96115937.5; ZL97107076.8) etc.Yet, solid sustained-release implant (China Patent No. ZL96115937.5; ZL97107076.8) and existing as be used for the treatment of the cerebral tumor (ZL00809160.9) sustained-release micro-spheres or United States Patent (USP) (US5,651,986) and all have problem such as be not easy more than operation, weak curative effect, the complication.In addition, the sensitivity that many entity tumors are drawn together taxane to anticancer medicated bag is relatively poor, and is easy to generate drug resistance in therapeutic process.The present invention finds that medicine of mentioning among the present invention and taxane share and can make its antitumaous effect strengthen (the following medicine that the taxane antitumaous effect will be increased mutually is referred to as the taxane synergist) mutually.In addition, with the assembly packaging of taxane or taxane and its synergist in specific slow-release auxiliary material and be equipped with special solvent and make drug level that anti-cancer medicine sustained-release injection not only can greatly improve tumor by local, reduce the drug level of medicine in blood circulation, reduce the toxicity of medicine to normal structure, can also greatly make things convenient for the medicine injection, reduce operation technique complication, reduce patient's expense.The above unexpected main contents of the present invention of finding to constitute.
The present invention is directed to the deficiencies in the prior art, a kind of new slow releasing injection that contains taxane and/or taxane synergist is provided.
Taxane slow releasing injection of the present invention is made up of sustained-release micro-spheres and solvent.Particularly, this slow-releasing anticarcinogen injection is grouped into by following one-tenth:
(A) sustained-release micro-spheres comprises:
Anticancer effective component 0.5-60%
Slow-release auxiliary material 40-99%
Suspending agent 0.0-30%
More than be weight percentage
With
(B) solvent is for common solvent or contain the special solvent of suspending agent.
Wherein,
Anticancer effective component be taxane and or the taxane synergist, the taxane synergist be selected from antitumor antibiotics, alkylating agent and or plant alkaloid; Slow-release auxiliary material is selected from copolymer (PLGA), ethylene vinyl acetate copolymer (EVAc), polifeprosan, bis-fatty acid and the decanedioic acid copolymer (PFAD-SA) of polylactic acid (PLA), polyglycolic acid and hydroxyacetic acid], one of poly-(erucic acid dimer-decanedioic acid) [P (EAD-SA)], poly-(fumaric acid-decanedioic acid) [P (FA-SA)], xylitol, oligosaccharide, chrondroitin, chitin, hyaluronic acid, collagen protein, gelatin and white tempera or its combination; Suspending agent is selected from one of sodium carboxymethyl cellulose, (iodine) glycerol, simethicone, propylene glycol, carbomer, mannitol, sorbitol, surfactant, soil temperature 20, soil temperature 40 and soil temperature 80 or its combination.
Taxane in the anticancer effective component (Taxanes) kind anti-cancer drugs owner to be selected from paclitaxel, Docetaxel (Docetaxel, taxotere, docetaxel), 2 '-hydroxyl paclitaxel (paclitaxel-2 '-hydroxy), 10-removes acetyl paclitaxel (10-deacetyl taxol), 7-table-paclitaxel (7-epi-taxol).
Antitumor antibiotics class drug main will be selected from bleomycin, daunomycin, aclarubicin, amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone, teloxantrone, chlorine assistant star.
Above antitumor antibiotics medicine also comprises its salt, as, but be not limited to sulfate, phosphate, hydrochlorate, Lactobionate, acetate, aspat, nitrate, citrate, purine or pyrimidine salt, succinate or maleate.
Alkylating agent comprises alestramustine (Alestramustine); atrimustine (Atrimustine); ambamustine (Ambamustine); nimustine (ACNU; Nimustine); bendamustine (Bendamustine); ditiomustine (Ditiomustine); bofumustine (Bofumustine); carmustine (carmustine; BCNU; carmustine); elmustine (Elmustine); ecomustine (Ecomustine); galamustine (Galamustine; GCNU); fotemustine (Fotemustine); estramustine (Estramustine); hemustine heCNU He (hemustine; heCNU); pentamustine (Pentamustine; Neptamustine); mannomustine (Mannomustine; MCNU); lomustine (lomustine; CCNU; lomustine; chlorethyl cyclohexyl nitrosourea); methyl lomustine (methyl-CCNU); semustine (Semustine; CH3-CCNU; Me-CCNU); Ranimustine (Ranimustine); prednimustine (Prednimustine); uracil mustard (Uramustine; UracilMustard); Sarmustine SarCNU (SarCNU); tauromustine (Tauromustine); tallimustine (Tallimustine); spiromustine (Spiromustine); streptozocin (streptozotocin; STZ); the appropriate azoles amine of miaow (mitozolomide, MTZ); a kind of or its combination in cyclophosphamide and the melphalan (melphalan).
Above alkylating agent also comprises their salt, as, but be not limited to sulfate, phosphate, hydrochlorate, Lactobionate, acetate, aspat, nitrate, citrate, purine or pyrimidine salt, succinate and maleate etc.
The preferred nimustine of above-mentioned alkylating agent, carmustine, bendamustine, galamustine, Ranimustine, fotemustine, estramustine, Sarmustine SarCNU, semustine, lomustine, methyl lomustine, streptozocin, the appropriate azoles amine of miaow, cyclophosphamide, melphalan.
The percentage by weight of above-mentioned alkylating agent in slow releasing agent is good from 0.01%-99.99% with 1%-50%, is best with 5%-30%.
Plant alkaloid mainly is selected from vincristine, vincaleucoblastine, vinorelbine, vindesine, Vinmegallate, vinleurosine, vinleucinol, vinglycinate, vinfosiltine, vinformide, vinflunine, vinepidine, vinzolidine, vintriptol, vinrosidine, monocrotaline or cephalotaxin.
Plant alkaloid shared ratio in compositions is decided because of concrete condition, and generally speaking, percentage by weight can be good with 1%-50% from 0.01%-99.99%, is best with 5%-30%.
The anticancer effective component taxane and or the percentage by weight of taxane synergist in medicament slow-release microsphere be 0.5%-60%, be good with 2%-40%, be best with 5%-30%.The weight ratio of taxane and taxane synergist is 1-9: 1 to 1: 1-9, with 1-2: 1 serves as preferred.
Anticancer effective component in the slow-releasing anticarcinogen injection microsphere of the present invention is preferably as follows, and all is weight percentage:
(a) bleomycin of 2-40%, daunomycin, aclarubicin, amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone, teloxantrone or chlorine assistant star;
(b) combination of the bleomycin of the paclitaxel of 2-40% or Docetaxel and 2-40%, daunomycin, aclarubicin, amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone, teloxantrone or chlorine assistant star;
(c) nimustine of 2-40%, carmustine, bendamustine, fotemustine, galamustine, Ranimustine, estramustine, Sarmustine SarCNU, semustine, lomustine, methyl lomustine, streptozocin, the appropriate azoles amine of miaow, cyclophosphamide or melphalan;
(d) combination of the nimustine of the paclitaxel of 2-40% or Docetaxel and 2-40%, carmustine, bendamustine, fotemustine, galamustine, Ranimustine, estramustine, Sarmustine SarCNU, semustine, lomustine, methyl lomustine, streptozocin, the appropriate azoles amine of miaow, cyclophosphamide, melphalan;
(e) vincristine of 2-40%, vincaleucoblastine, vinorelbine, vindesine, Vinmegallate, vinleurosine, vinleucinol, vinglycinate, vinfosiltine, vinformide, vinflunine, vinepidine, vinzolidine, vintriptol, vinrosidine, monocrotaline or cephalotaxin; Or
(f) 2-40% paclitaxel or the combination of vincristine, vincaleucoblastine, vinorelbine, vindesine, Vinmegallate, vinleurosine, vinleucinol, vinglycinate, vinfosiltine, vinformide, vinflunine, vinepidine, vinzolidine, vintriptol, vinrosidine, monocrotaline or the cephalotaxin of Docetaxel and 2-40%; Or
(g) paclitaxel of 2-40%, Docetaxel, 2 '-hydroxyl taxol, 10-remove acetyl taxol or 7-table-taxol.
Slow-release auxiliary material can be various water solublity or water-insoluble macromolecule polymer, copolymer (PLGA), ethylene vinyl acetate copolymer (EVAc), polifeprosan, bis-fatty acid and the decanedioic acid copolymer (PFAD-SA) of preferred polylactic acid (PLA), polyglycolic acid and hydroxyacetic acid], poly-(erucic acid dimer-decanedioic acid) [P (EAD-SA)], gather one of (fumaric acid-decanedioic acid) [P (FA-SA)] or its combination.
When selecting the copolymer (PLGA) of polylactic acid (PLA), polyglycolic acid (PGA), polylactic acid (PLA) and mixture, glycolic and the hydroxy carboxylic acid of polyglycolic acid for use, PLA and PLGA content percentage by weight be for arbitrarily, but preferably 1-99% and 99-1%.The molecular weight peak value of polylactic acid can be, but is not limited to, 5000-200, and 000, but with 20,000-60,000 is preferred, with 30,000-50,000 for most preferably; The molecular weight of polyglycolic acid can be, but is not limited to, 5000-200, and 000, but with 20,000-60,000 is preferred, with 30,000-50,000 for most preferably; Above polyhydroxy acid can singly select or multiselect.When singly selecting, serve as preferred with the copolymer (PLGA) of polylactic acid (PLA) or hydroxy carboxylic acid and glycolic, the molecular weight of copolymer can be, but is not limited to, 5000-200,000, but with 20,000-60,000 be preferably, with 30,000-50,000 for most preferably; When multiselect, compound polymer or the copolymer formed with macromolecule polymer or different macromolecule polymer serve as preferred, with the compound polymer that contains different molecular weight polylactic acid or decanedioic acid or copolymer for most preferably, as, but be not limited to, molecular weight is 10000 to 100000 polylactic acid with molecular weight is that 20000 to 150000 polylactic acid mixes, molecular weight is 10000 to 100000 polylactic acid with molecular weight is that 30000 to 80000 PLGA mixes, molecular weight is that 20000 to 30000 polylactic acid mixes with decanedioic acid, molecular weight is that 30000 to 80000 PLGA mixes with decanedioic acid.
In various high molecular polymers, with polylactic acid, decanedioic acid, the mixture or the copolymer that contain the macromolecule polymer of polylactic acid or certain herbaceous plants with big flowers diacid is first-selection, mixture and copolymer can be selected from, but be not limited to the mixture or the copolymer of the mixture of PLA, PLGA, glycolic and hydroxy carboxylic acid, certain herbaceous plants with big flowers diacid and fragrant polyanhydride or aliphatic polyanhydride.The blend ratio of glycolic and hydroxy carboxylic acid is 10/90-90/10 (weight), preferably 25/75-75/25 (weight).The method of blend is arbitrarily.Content when glycolic and hydroxy carboxylic acid copolymerization is respectively percentage by weight 10-90% and 90-10%.The representative of fragrance polyanhydride is polifeprosan [poly-(1,3-two (to the carboxyl phenoxy group) propane-decanedioic acid) (p (CPP-SA)), bis-fatty acid one decanedioic acid copolymer (PFAD-SA)], poly-(erucic acid dimer-decanedioic acid) [P (EAD-SA)] and poly-(fumaric acid-decanedioic acid) [P (FA-SA)] etc.Content during to carboxylic phenoxypropane (p-CPP) and decanedioic acid copolymerization is respectively percentage by weight 10-60% and 20-90%, and the blend weight ratio is 10-40: 50-90, preferably weight ratio 15-30: 65-85.
Except that above-mentioned slow beginning adjuvant, also can select for use other materials to see United States Patent (USP) (4757128; 4857311; 4888176; 4789724) and in " pharmaceutic adjuvant complete works " (the 123rd page, Sichuan science tech publishing house published in 1993, Luo Mingsheng and Gao Tianhui chief editor) have a detailed description.In addition, Chinese patent (application number 96115937.5; 91109723.6; 9710703.3; 01803562.0) and U.S.'s patent of invention (patent No. 5,651,986) also enumerated some pharmaceutic adjuvant, comprise filler, solubilizing agent, absorption enhancer, film former, gellant, system (or causing) hole agent, excipient or blocker etc.
For regulating drug releasing rate or changing other characteristic of the present invention, can change the composition and the proportioning of monomer component or molecular weight, interpolation or the adjusting pharmaceutic adjuvant of polymer, add the water-soluble low-molecular chemical compound, as, but be not limited to various sugar or salt etc.Wherein sugar can be, but is not limited to, xylitol, oligosaccharide, (sulphuric acid) chrondroitin and chitin etc., and wherein salt can be, but is not limited to, potassium salt and sodium salt etc.; Also can add other pharmaceutic adjuvant, as but be not limited to filler, solubilizing agent, absorption enhancer, film former, gellant, system (or causing) hole agent, excipient or blocker etc.
In the slow releasing injection, drug sustained release system can be made into microsphere, sub-micro ball, microemulsion, nanosphere, granule or spherical piller, makes the injection use then with after the injection solvent mixes.In various slow releasing injection, serve as preferred with the suspension type slow releasing injection, the suspension type slow releasing injection is the preparation that the drug sustained release system that will contain anticancer component is suspended in gained in the injection, used slow-release auxiliary material is a kind of or its combination in the above-mentioned slow-release auxiliary material, and used solvent is common solvent or the special solvent that contains suspending agent.Common solvent is, but is not limited to the buffer that distilled water, water for injection, physiology are prepared towards liquid, dehydrated alcohol or various salt.The purpose of suspending agent is the pastille microsphere that effectively suspends, thereby is beneficial to the usefulness of injection.Be convenient injection, the viscosity of suspending agent is 100cp-3000cp (20 ℃-30 ℃ time), preferred 1000cp-3000cp (20 ℃-30 ℃ time), most preferably 1500cp-3000cp (20 ℃-30 ℃ time).Suspending agent is selected from one of sodium carboxymethyl cellulose, (iodine) glycerol, simethicone, propylene glycol, carbomer, mannitol, sorbitol, surfactant, soil temperature 20, soil temperature 40 and soil temperature 80 or its combination.
The content of suspending agent in common solvent is decided because of its characteristic, can be 0.1-30% and decides because of concrete condition.Consisting of of preferred suspending agent:
A) 0.5-5% sodium carboxymethyl cellulose+0.1-0.5% soil temperature 80; Or
B) 5-20% mannitol+0.1-0.5% soil temperature 80; Or
C) 0.5-5% sodium carboxymethyl cellulose+5-20% sorbitol+0.1-0.5% soil temperature 80.
The kind of solvent is then depended in the preparation of solvent, and common solvent has commercially available, also can make by oneself, and as distilled water, water for injection, physiology buffer towards liquid, dehydrated alcohol or the preparation of various salt, but must be in strict accordance with related standards.Special solvent need be considered the kind of suspending agent and the medicine that composition, solvent suspended, composition, character and the requirement thereof of sustained-release micro-spheres (or microcapsule) and the preparation method of injection, as with sodium carboxymethyl cellulose (1.5%)+mannitol with or sorbitol (15%) and/or Tween 80 (0.1%) be dissolved in the normal saline mutually deserved solvent, viscosity is at 10cp-650cp (20 ℃-30 ℃ time).
The present invention finds to influence medicine and/or sustained-release micro-spheres suspends and/or the key factor of injection is the viscosity of solvent, and viscosity is big more, and suspension effect is good more, and syringeability is strong more.This unexpected one of main index characteristic of the present invention of finding to have constituted.The viscosity of solvent depends on the viscosity of suspending agent, and the viscosity of suspending agent is 100cp-3000cp (20 ℃-30 ℃ time), preferred 1000cp-3000cp (20 ℃-30 ℃ time), most preferably 1500cp-3000cp (20 ℃-30 ℃ time).According to the viscosity of the prepared solvent of this condition is 10cp-650cp (20 ℃-30 ℃ time), preferred 20cp-650cp (20 ℃-30 ℃ time), most preferably 60cp-650cp (20 ℃-30 ℃ time).
The preparation of injection has several different methods, and a kind of is that the sustained-release microparticle (A) of suspending agent for " 0 " directly mixed in special solvent, obtains corresponding sustained-release microparticle injection; Another kind is that suspending agent is not mixed in special solvent or common solvent for the sustained-release microparticle (A) of " 0 ", obtains corresponding sustained-release microparticle injection; Another is that sustained-release microparticle (A) is mixed in common solvent, adds the suspending agent mixing then, obtains corresponding sustained-release microparticle injection.Except, also can earlier sustained-release microparticle (A) be mixed and in special solvent, make corresponding suspension, with the moisture in ways such as the vacuum drying removal suspension, special solvent of reuse or common solvent suspendible obtain corresponding sustained-release microparticle injection afterwards then.Above method just is illustrative rather than definitive thereof the present invention.It should be noted that suspended drug or sustained-release micro-spheres (or microcapsule) concentration in injection decide because of specifically needing, can be, but be not limited to, 10-400mg/ml, but be preferably with 30-300mg/ml, with 50-200mg/ml most preferably.The viscosity of injection is 50cp-1000cp (20 ℃-30 ℃ time), preferred 100cp-1000cp (20 ℃-30 ℃ time), most preferably 200cp-650cp (20 ℃-30 ℃ time).This viscosity is applicable to 18-22 injection needle and special bigger (to 3 millimeters) injection needle of internal diameter.
The preparation method of slow releasing injection is arbitrarily, available some kinds of methods preparation: as, but be not limited to, mixing method, fusion method, dissolution method, spray drying method for preparation microsphere, dissolution method are made micropowder, liposome bag medicine method and emulsion process etc. in conjunction with freezing (drying) comminuting method.Serve as preferred wherein with dissolution method (being the solvent volatility process), seasoning, spray drying method and emulsion process.Microsphere then can be used for preparing above-mentioned various slow releasing injection, and its method is arbitrarily.The particle size range of used microsphere can be between 5-400um, serving as preferred between the 10-300um, with between the 20-200um for most preferably.
Microsphere also can be used for preparing other slow releasing injection, as gel injection, block copolymer micelle injection.Wherein, block copolymer micelle is formed in aqueous solution by hydrophobic hydrophilic block copolymers, has spherical inner core-shell mechanism, and hydrophobic block forms kernel, and hydrophilic block forms shell.The carrier micelle injection enters the purpose that reaches control drug release or targeted therapy in the body.Used pharmaceutical carrier is above-mentioned any one or its combination.Wherein preferred molecular weight is the hydrophilic block of the Polyethylene Glycol (PEG) of 1000-15000 as the micelle copolymer, and preferred biological degradation polyalcohol is (as PLA, polylactide, polycaprolactone and copolymer thereof (molecular weight 1500-25000) hydrophobic block as the micelle copolymer.The particle size range of block copolymer micelle can be between 10-300um, between the 20-200um serving as preferred.Gel injection system is dissolved in some amphipathic solvent with biological degradation polyalcohol (as PLA, PLGA or DL-LA and epsilon-caprolactone copolymer), adds medicine miscible with it (or suspendible) back again and forms flowability gel preferably, can be through tumor week or intratumor injection.In case inject, amphipathic solvent diffuses to body fluid very soon, the moisture in the body fluid then infiltrates gel, makes polymer cure, slowly discharges medicine.
Sustained-release micro-spheres also can be used for preparing sustained-release implant, used pharmaceutic adjuvant can be any or multiple material in the above-mentioned pharmaceutic adjuvant, but with the high molecular weight water soluble polymer is main separation, in various high molecular polymers, with polylactic acid, the certain herbaceous plants with big flowers diacid, the mixture or the copolymer that contain the macromolecule polymer of polylactic acid or certain herbaceous plants with big flowers diacid are first-selection, mixture and copolymer can be selected from, but be not limited to PLA, PLGA, the mixture of PLA and PLGA, the mixture or the copolymer of certain herbaceous plants with big flowers diacid and fragrant polyanhydride or aliphatic polyanhydride, bis-fatty acid and decanedioic acid copolymer (PFAD-SA)], poly-(erucic acid dimer-decanedioic acid) [P (EAD-SA)], poly-(fumaric acid-decanedioic acid) [P (FA-SA)].Polylactic acid (PLA) and polyglycolic acid the blend ratio be 10/90-90/10 (weight), 25/75-75/25 (weight) preferably.The method of blend is arbitrarily.Content when glycolic and lactic acid copolymerization is respectively percentage by weight 10-90% and 90-10%.The representative of fragrance polyanhydride is to carboxy phenyl propane (p-CPP), content during to carboxy phenyl propane (p-CPP) and the copolymerization of certain herbaceous plants with big flowers diacid is respectively percentage by weight 10-60% and 20-90%, the blend weight ratio is 10-40: 50-90, preferably weight ratio 15-30: 65-85.
Another form of anticancer medicine slow-release preparation containing of the present invention is that anticancer medicine slow-release preparation containing is a sustained-release implant.The effective ingredient of anticancer implant can be packaged in the whole pharmaceutic adjuvant equably, also can be packaged in carrier holder center or its surface; Can effective ingredient be discharged by direct diffusion and/or the mode of degrading through polymer.
The characteristics of sustained-release implant are that used slow-release auxiliary material removes the high molecular polymerization beyond the region of objective existence, also contain above-mentioned any one or multiple other adjuvant.The pharmaceutic adjuvant that adds is referred to as additive.Additive can be divided into filler, porogen, excipient, dispersant, isotonic agent, preservative agent, blocker, solubilizing agent, absorption enhancer, film former, gellant etc. according to its function.
The Main Ingredients and Appearance of sustained-release implant can be made into multiple dosage form.As, but be not limited to capsule, slow releasing agent, implant, slow releasing agent implant etc.; Be multiple shape, as, but be not limited to granule, pill, tablet, powder, granule, sphere, bulk, needle-like, bar-shaped, column and membranaceous.In various dosage forms, serve as preferred slowly to discharge implant in the body.
The most preferred dosage form of sustained-release implant is that the slow releasing agent that biocompatibility, degradable absorb is implanted, and can make different shape and various dosage form because of the clinical needs of difference.The packing method of its Main Ingredients and Appearance and step in United States Patent (USP) (US5651986) have a detailed description, comprise the some kinds of methods that prepare slow releasing preparation: as, but be not limited to, (i) carrier holder powder and medicament mixed be pressed into implant then, promptly so-called mixing method; (ii) carrier holder fusing, mix solid cooled then, promptly so-called fusion method mutually with medicine to be packaged; (iii) the carrier holder is dissolved in the solvent, medicine dissolution to be packaged or be scattered in the polymer solution, evaporating solvent then, drying, promptly so-called dissolution method; (iv) spray drying method; And (v) freeze-drying etc.
Route of administration depends on multiple factor, for obtain valid density in former or position, metastatic tumour place, medicine can give through number of ways, as in subcutaneous, intracavity (in abdominal cavity, thoracic cavity and canalis spinalis), the tumor, in all injections of tumor or placement, selective arterial injection, the lymph node and injection in the bone marrow.With in selective arterial injection, intracavity, the tumor, tumor week injection or be placed as preferred.
The present invention can be used to prepare the pharmaceutical preparation of the various tumors for the treatment of people and animal, be mainly slow releasing injection or sustained-release implant, the indication tumor comprises former or cancer or sarcoma or the carcinosarcoma that shifts that originates from brain, central nervous system, kidney, liver, gallbladder, incidence, oral cavity, thyroid, skin, mucosa, body of gland, blood vessel, osseous tissue, lymph node, lungs, esophagus, stomach, mammary gland, pancreas, eyes, nasopharynx part, uterus, ovary, endometrium, cervix uteri, prostate, bladder, colon, rectum.
Also can add other medicinal ingredient in slow releasing injection that the present invention is made or the sustained-release implant, as, but be not limited to antibiotics, antalgica, anticoagulant medicine, hemorrhage etc.
By following test and embodiment technology side of the present invention is further described:
The local drug concentration that test 1, different modes are used behind the paclitaxel compares
With the rat is subjects, with 2 * 10
5Individual prostate tumor cells subcutaneous injection is in its hypochondrium, treats behind tumor growth to 1 cm diameter its grouping.Every group of dosage is 5mg/kg.Measure medicament contg (%) in the different time tumor, the result shows, the local drug concentration significant difference of paclitaxel after different modes is used, topical can obviously improve and effectively keep the active drug concentration at position, tumor place, and is wherein best with the effect of placing sustained-release implant and intratumor injection slow releasing injection in the tumor.Yet, intratumor injection slow releasing injection operation most convenient, easy.This discovery constitutes key character of the present invention.Following relevant inhibition test has further confirmed this point.
The interior tumor-inhibiting action of body that test 2, different modes are used behind the paclitaxel compares
With the rat is subjects, with 2 * 10
5Individual prostate tumor cells subcutaneous injection is in its hypochondrium, treats behind tumor growth to 0.5 cm diameter its grouping.Every group of dosage is 5mg/kg.The treatment back was measured gross tumor volume size, relatively therapeutic effect on the 10th day.The result shows, the tumor-inhibiting action significant difference of paclitaxel after different modes is used, topical can obviously improve and effectively keep the active drug concentration at position, tumor place, and is wherein best with the effect of placing sustained-release implant and intratumor injection slow releasing injection in the tumor.Yet, intratumor injection slow releasing injection operation most convenient, easy.Good effect not only, toxic and side effects is also little.
Tumor-inhibiting action in the body of test 3, paclitaxel and paclitaxel synergist (slow releasing injection)
With the rat is subjects, with 2 * 10
5Individual pancreatic tumor cell subcutaneous injection is in its hypochondrium, treats that tumor growth after 14 days is divided into it following 10 groups (seeing Table 3).First group is contrast, and the 2nd to 10 group is the treatment group, and medicine is through intratumor injection.Dosage is 5mg/kg.The treatment back was measured gross tumor volume size, relatively therapeutic effect (seeing Table 3) on the 10th day.
Table 3
| Test group (n) | Suffered treatment | Gross tumor volume (cm 3) | The P value |
| 1(6) | Contrast | 70±10 | |
| 2(6) | Paclitaxel | 46±5.4 | ＜0.05 |
| 3(6) | Amycin | 44±2.0 | ＜0.01 |
| 4(6) | Epirubicin | 44±2.2 | ＜0.01 |
| 5(6) | Darubicin | 42±3.2 | ＜0.01 |
| 6(6) | Valrubicin | 40±3.0 | ＜0.01 |
| 7(6) | Paclitaxel+amycin | 20±2.2 | ＜0.001 |
| 8(6) | Paclitaxel+epirubicin | 32±3.4 | ＜0.001 |
| 9(6) | Paclitaxel+darubicin | 34±3.0 | ＜0.001 |
| 10(6) | Paclitaxel+valrubicin | 16±2.0 | ＜0.001 |
Above result shows, growth all has the obvious suppression effect to kinds of tumor cells when this concentration is used separately for paclitaxel and used paclitaxel synergist-antitumor antibiotics (amycin, epirubicin, darubicin, valrubicin), can show significant potentiation when use in conjunction.This discovery constitutes the another key character of the present invention.
The tumor-inhibiting action of test 4, paclitaxel and paclitaxel synergist (slow releasing injection)
Used tumor cell comprises CNS-1, C6,9L, gastric gland epithelial cancer (SA), bone tumor (BC), breast carcinoma (BA), pulmonary carcinoma (LH), papillary adenocarcinoma of thyroid (PAT), hepatocarcinoma etc.Paclitaxel and paclitaxel synergist are added in 24 hours the various tumor cells of In vitro culture by 10ug/ml concentration, continue to cultivate counting cells sum after 48 hours.Its growth of tumour cell suppresses effect and is shown in Table 4.
Table 4
| Oncocyte | Paclitaxel | Ametycin | Actinomycin D | Mitoxantrone | Paclitaxel+ametycin | Paclitaxel+actinomycin D | Paclitaxel+mitoxantrone |
| CNS | 60％ | 58％ | 64％ | 66％ | 92％ | 86％ | 88％ |
| C6 | 64％ | 60％ | 60％ | 64％ | 94％ | 86％ | 94％ |
| SA | 46％ | 62％ | 56％ | 62％ | 88％ | 92％ | 92％ |
| BC | 54％ | 64％ | 54％ | 64％ | 94％ | 84％ | 82％ |
| BA | 50％ | 62％ | 62％ | 60％ | 98％ | 90％ | 92％ |
| LH | 60％ | 58％ | 62％ | 58％ | 90％ | 88％ | 84％ |
| PAT | 68％ | 56％ | 62％ | 56％ | 92％ | 88％ | 88％ |
Above result shows, growth all has the obvious suppression effect to kinds of tumor cells when this concentration is used separately for used paclitaxel and paclitaxel synergist antitumor antibiotics (ametycin, actinomycin D, mitoxantrone), can show significant potentiation when use in conjunction.
The tumor-inhibiting action of test 5, paclitaxel and paclitaxel synergist (slow releasing injection)
With the rat is subjects, with 2 * 10
5Individual tumor cell of liver subcutaneous injection is in its hypochondrium, treats that tumor growth after 14 days is divided into it following 10 groups (seeing Table 5).First group is contrast, and the 2nd to 10 group is the treatment group, and sustained-release implant is placed in tumor.Dosage is 5mg/kg.The treatment back was measured gross tumor volume size, relatively therapeutic effect (seeing Table 5) on the 10th day.
Table 5
| Test group (n) | Suffered treatment | Gross tumor volume (cm 3) | The P value |
| 1(6) | Contrast | 60±10 | |
| 2(6) | Paclitaxel | 48±5.0 | ＜0.05 |
| 3(6) | Nimustine | 30±2.0 | ＜0.01 |
| 4(6) | Paclitaxel+nimustine | 20±2.2 | ＜0.001 |
| 5(6) | Carmustine | 38±3.2 | ＜0.01 |
| 6(6) | Carmustine+paclitaxel | 12±1.0 | ＜0.001 |
| 7(6) | Fotemustine | 30±2.6 | ＜0.01 |
| 8(6) | Fotemustine+paclitaxel | 20±2.2 | ＜0.001 |
| 9(6) | Sarmustine SarCNU | 42±4.4 | ＜0.01 |
| 10(6) | Sarmustine SarCNU+paclitaxel | 22±2.2 | ＜0.001 |
Above result shows, growth all has the obvious suppression effect to kinds of tumor cells when this concentration is used separately for used paclitaxel and paclitaxel thing synergist-alkylating agent (nimustine, carmustine, fotemustine, estramustine, Sarmustine SarCNU), can show significant potentiation when use in conjunction.This discovery constitutes the another key character of the present invention.
The tumor-inhibiting action of test 6, paclitaxel and paclitaxel synergist (slow releasing injection)
With the rat is subjects, with 2 * 10
5Individual prostate tumor cells subcutaneous injection is in its hypochondrium, treats that tumor growth after 14 days is divided into it negative control (blank), single therapy group (paclitaxel or paclitaxel synergist) and therapeutic alliance group (paclitaxel and paclitaxel synergist).Medicine is through intratumor injection.Dosage is 5mg/kg.The treatment back was measured the gross tumor volume size on the 10th day, made relatively therapeutic effect (seeing Table 6) of index with inhibition rate of tumor growth.
Table 6
| Test group (n) | Suffered treatment | Tumor control rate (%) | The P value |
| 1(6) | Contrast | ||
| 2(6) | Paclitaxel | 46 | ＜0.05 |
| 3(6) | Semustine | 48 | ＜0.01 |
| 4(6) | Lomustine | 42 | ＜0.01 |
| 5(6) | Methyl lomustine | 52 | ＜0.01 |
| 6(6) | Streptozocin | 40 | ＜0.01 |
| 7(6) | Paclitaxel+semustine | 80 | ＜0.001 |
| 8(6) | Paclitaxel+lomustine | 87 | ＜0.001 |
| 9(6) | Paclitaxel+methyl lomustine | 90 | ＜0.001 |
| 10(6) | Paclitaxel+streptozocin | 94 | ＜0.001 |
Above result shows, growth all has the obvious suppression effect to kinds of tumor cells when this concentration is used separately for used paclitaxel and paclitaxel synergist-alkylating agent (semustine, lomustine, methyl lomustine, streptozocin), can show significant potentiation when use in conjunction.
The tumor-inhibiting action of test 7, paclitaxel and paclitaxel synergist (slow releasing injection)
With the rat is subjects, with 2 * 10
5Individual breast tumor cell subcutaneous injection is in its hypochondrium, treats that tumor growth after 14 days is divided into it negative control (blank), single therapy group, therapeutic alliance group.Medicine is through intratumor injection.Dosage is 5mg/kg.The treatment back was measured the gross tumor volume size on the 10th day, made relatively therapeutic effect (seeing Table 7) of index with inhibition rate of tumor growth.
Table 7
| Test group (n) | Suffered treatment | Tumor control rate (%) | The P value |
| 1(6) | Contrast | - | |
| 2(6) | Paclitaxel | 58 | ＜0.05 |
| 3(6) | Galamustine | 54 | ＜0.01 |
| 4(6) | Ranimustine | 46 | ＜0.01 |
| 5(6) | Cyclophosphamide | 48 | ＜0.01 |
| 6(6) | Melphalan | 46 | ＜0.01 |
| 7(6) | Paclitaxel+galamustine | 76 | ＜0.001 |
| 8(6) | Paclitaxel+Ranimustine | 86 | ＜0.001 |
| 9(6) | Paclitaxel+cyclophosphamide | 90 | ＜0.001 |
| 10(6) | Paclitaxel+melphalan | 92 | ＜0.001 |
Above result shows, growth all has the obvious suppression effect to kinds of tumor cells when this concentration is used separately for used paclitaxel and paclitaxel synergist-alkylating agent (galamustine, Ranimustine, cyclophosphamide, melphalan), can show significant potentiation when use in conjunction.This discovery constitutes the another key character of the present invention.
The tumor-inhibiting action of test 8, paclitaxel and paclitaxel synergist (sustained-release implant)
With the rat is subjects, with 2 * 10
5Individual breast tumor cell subcutaneous injection is in its hypochondrium, treats that tumor growth after 14 days is divided into it negative control (blank), single therapy group, therapeutic alliance group.Sustained-release implant is placed in tumor.Dosage is 5mg/kg.The treatment back was measured the gross tumor volume size on the 10th day, made relatively therapeutic effect (seeing Table 8) of index with inhibition rate of tumor growth.
Table 8
| Test group (n) | Suffered treatment | Tumor control rate (%) | The P value |
| 1(6) | Contrast | - | |
| 2(6) | Paclitaxel | 58 | ＜0.05 |
| 3(6) | Vincristine | 48 | ＜0.01 |
| 4(6) | Vincaleucoblastine | 56 | ＜0.01 |
| 5(6) | Vinorelbine | 48 | ＜0.01 |
| 6(6) | Vindesine | 48 | ＜0.01 |
| 7(6) | Paclitaxel+vincristine | 88 | ＜0.001 |
| 8(6) | Paclitaxel+vincaleucoblastine | 86 | ＜0.001 |
| 9(6) | Paclitaxel+vinorelbine | 94 | ＜0.001 |
| 10(6) | Paclitaxel+vindesine | 96 | ＜0.001 |
Above result shows, growth all has the obvious suppression effect to kinds of tumor cells when this concentration is used separately for used paclitaxel and paclitaxel synergist-plant alkaloid (vincristine, vincaleucoblastine, vinorelbine, vindesine), can show significant potentiation when use in conjunction.This discovery constitutes the another key character of the present invention.
In a word, growth all had the obvious suppression effect to kinds of tumor cells when used paclitaxel and various paclitaxel synergist were used separately, can show significant potentiation when use in conjunction.Therefore, effective ingredient of the present invention is the combination of paclitaxel and any one paclitaxel synergist.The medicine that contains above effective ingredient can be made into sustained-release micro-spheres, and then makes slow releasing injection and implant, serves as preferred with the suspensoid injectio that is combined to form with the special solvent that contains suspending agent wherein.
Slow releasing injection or sustained-release implant also can be further specified by following embodiment.Just the invention will be further described for the foregoing description and following examples, is not its content and use are imposed any restrictions.
(4) specific embodiment
Embodiment 1.
80mg polifeprosan (to carboxy phenyl propane (p-CPP): certain herbaceous plants with big flowers diacid (SA) is 20: 80) copolymer is put into container, add 100 milliliters of dichloromethane, behind the dissolving mixing, add 10mg paclitaxel and 10mg amycin, shake up the back contains 10% paclitaxel and 10% amycin with spray drying method for preparation injectable microsphere again.Then microsphere is suspended in the normal saline that contains 15% mannitol, makes corresponding suspension type slow releasing injection, viscosity is 220cp-460cp (20 ℃-30 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 2.
The method step that is processed into slow releasing injection is identical with embodiment 1, but different is that contained anticancer effective component and percentage by weight thereof are:
The combination of the bleomycin of the paclitaxel of 2-40% or Docetaxel and 2-40%, daunomycin, aclarubicin, amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone, teloxantrone or chlorine assistant star.
Embodiment 3.
With 70mg molecular weight peak value is that 25000 polylactic acid (PLGA, 75: 25) is put into container, adds 100 milliliters of dichloromethane, behind the dissolving mixing, adds 15mg Docetaxel and 15mg nimustine, shakes up the dry organic solvent of removing of final vacuum again.Dried pastille solid composite freezing and pulverizing is made the micropowder that contains 10% Docetaxel and 10% nimustine, be suspended in then in the normal saline that contains 1.5% sodium carboxymethyl cellulose, make corresponding suspension type slow releasing injection, viscosity is 300cp-400cp (20 ℃-30 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 4
The method step that is processed into slow releasing injection is identical with embodiment 5, but different is that contained anticancer effective component and percentage by weight thereof are:
The alestramustine of the paclitaxel of 2-40% or Docetaxel and 2-40%; atrimustine; ambamustine; nimustine; bendamustine; ditiomustine; bofumustine; carmustine; elmustine; ecomustine; CNCC; galamustine; fotemustine; estramustine; hemustine heCNU He; pentamustine; mannomustine; lomustine; methyl lomustine; semustine; Ranimustine; prednimustine; uracil mustard; Sarmustine SarCNU; tauromustine; streptozocin; tallimustine; spiromustine; the appropriate azoles amine of miaow; the combination of cyclophosphamide or melphalan.
Embodiment 5.
(EVAc) puts into container with the 70mg ethylene vinyl acetate copolymer, after adding 100 milliliters of dichloromethane dissolving mixings, add 20 milligrams of paclitaxels and 10 milligrams of carmustines, shake up the back contains 20% paclitaxel and 10% carmustine with spray drying method for preparation injectable microsphere again.Then microsphere is suspended in the injection that contains the 5-15% sorbitol, makes corresponding suspension type slow releasing injection, viscosity is 100cp-200cp (20 ℃-30 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 6.
The method step that is processed into slow releasing injection is identical with embodiment 5, but different is that contained anticancer effective component is:
(1) paclitaxel of 2-40%, Docetaxel (docetaxel), 2 '-hydroxyl taxol, 10-remove acetyl taxol or 7-table-taxol; Or
(2) bleomycin of 2-40%, daunomycin, aclarubicin, amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone, teloxantrone or chlorine assistant star; Or
(3) alestramustine of 2-40%, atrimustine, ambamustine, nimustine, bendamustine, ditiomustine, bofumustine, carmustine, elmustine, ecomustine, CNCC, galamustine, fotemustine, estramustine, hemustine heCNU He, pentamustine, mannomustine, lomustine, methyl lomustine, semustine, Ranimustine, prednimustine, uracil mustard, Sarmustine SarCNU, tauromustine, streptozocin, tallimustine, spiromustine, the appropriate azoles amine of miaow, cyclophosphamide or melphalan; Or
(4) vincristine of 2-40%, vincaleucoblastine, vinorelbine, vindesine, Vinmegallate, vinleurosine, vinleucinol, vinglycinate, vinfosiltine, vinformide, vinflunine, vinepidine, vinzolidine, vintriptol, vinrosidine, monocrotaline or cephalotaxin.
Embodiment 7.
70mg polifeprosan (to carboxy phenyl propane (p-CPP): certain herbaceous plants with big flowers diacid (SA) is 20: 80) copolymer is put into container, add 100 milliliters of dichloromethane, behind the dissolving mixing, add 20mg paclitaxel and 10mg vincristine, shake up the back contains 20% paclitaxel and 10% vincristine with spray drying method for preparation injectable microsphere again.Microsphere is suspended in the normal saline that contains 1.5% sodium carboxymethyl cellulose and 0.5% Tween 80 then, makes corresponding suspension type slow releasing injection, viscosity is 80cp-150cp (20 ℃-25 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 8.
The method step that is processed into slow releasing injection is identical with embodiment 7, but different is that contained anticancer effective component is:
The combination of the vincristine of the paclitaxel of 2-40% or Docetaxel and 2-40%, vincaleucoblastine, vinorelbine, vindesine, Vinmegallate, vinleurosine, vinleucinol, vinglycinate, vinfosiltine, vinformide, vinflunine, vinepidine, vinzolidine, vintriptol, vinrosidine, monocrotaline or cephalotaxin.
Embodiment 9
70mg polifeprosan (to carboxy phenyl propane (p-CPP): certain herbaceous plants with big flowers diacid (SA) is 20: 80) copolymer is put into container, add 100 milliliters of dichloromethane, behind the dissolving mixing, add 20mg Docetaxel and 10mg ametycin, shake up the back contains 20% Docetaxel and 10% ametycin with spray drying method for preparation injectable microsphere again.Then microsphere is suspended in the normal saline that contains 1.5% sodium carboxymethyl cellulose and 15% sorbitol and 0.2% Tween 80, makes corresponding suspension type slow releasing injection, viscosity is 560cp-640cp (20 ℃-30 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 10
The method step that is processed into slow releasing injection is identical with embodiment 9, but different is that contained anticancer effective component is:
The combination of 10% paclitaxel or Docetaxel and 10% bleomycin, daunomycin, aclarubicin, amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone, teloxantrone or chlorine assistant star.
Embodiment 11
70mg polifeprosan (to carboxy phenyl propane (p-CPP): certain herbaceous plants with big flowers diacid (SA) is 20: 80) copolymer is put into container, add 100 milliliters of dichloromethane, behind the dissolving mixing, add 10mg carmustine and 20mg Docetaxel, shake up the back contains 10% carmustine and 10% carmustine with spray drying method for preparation injectable microsphere again.Then microsphere is made corresponding sustained-release implant through pressed disc method.The drug release time of this sustained-release implant in external normal saline is 10-15 days, is about 30-40 days at the subcutaneous drug release time of mice.
Embodiment 12
The method step that is processed into sustained-release implant is identical with embodiment 11, but different is that contained anticancer effective component is:
15% paclitaxel or Docetaxel and 10% alestramustine; atrimustine; ambamustine; nimustine; bendamustine; ditiomustine; bofumustine; carmustine; elmustine; ecomustine; CNCC; galamustine; fotemustine; estramustine; hemustine heCNU He; pentamustine; mannomustine; lomustine; methyl lomustine; semustine; Ranimustine; prednimustine; uracil mustard; Sarmustine SarCNU; tauromustine; streptozocin; tallimustine; spiromustine; the appropriate azoles amine of miaow; the combination of cyclophosphamide or melphalan.
Embodiment 13
With 70mg molecular weight peak value 35000 polylactic acid (PLGA, 50: 50) put into container, add 100 milliliters of dichloromethane, behind the dissolving mixing, add 10mg Ni Mositing and 20mg docetaxel, shake up the back contains 10% Ni Mositing and 20% docetaxel with spray drying method for preparation injectable microsphere again.Then microsphere is made corresponding sustained-release implant through pressed disc method.The drug release time of this sustained-release implant in external normal saline is 10-15 days, is about 35-50 days at the subcutaneous drug release time of mice.
Embodiment 14
The method step that is processed into sustained-release implant is identical with embodiment 11,13, but different is that contained anticancer effective component is: the combination that 15% Ni Mositing, Ka Mositing or Luo Mositing and 15% paclitaxel, Docetaxel (docetaxel), 2 '-hydroxyl taxol, 10-remove acetyl taxol or 7-table-taxol.
Embodiment 15.
With 70mg molecular weight peak value is that 35000 polylactic acid (PLA) is put into container, adds 100 milliliters of dichloromethane, behind the dissolving mixing, adds 15mg paclitaxel and 15mg vincaleucoblastine, shakes up the dry organic solvent of removing of final vacuum again.Dried pastille solid composite freezing and pulverizing is made the micropowder that contains 10% paclitaxel and 10% vincaleucoblastine, be suspended in then in the normal saline that contains 1.5% sodium carboxymethyl cellulose, make corresponding suspension type slow releasing injection, viscosity is 220cp-260cp (25 ℃-30 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 16
The method step that is processed into slow releasing injection is identical with embodiment 15, but different is that contained anticancer effective component and percentage by weight thereof are:
The combination of 15% paclitaxel or docetaxel and 15% vincristine, vincaleucoblastine, vinorelbine, vindesine, Vinmegallate, vinleurosine, vinleucinol, vinglycinate, vinfosiltine, vinformide, vinflunine, vinepidine, vinzolidine, vintriptol, vinrosidine, monocrotaline or cephalotaxin.
Embodiment 17.
With 70mg molecular weight peak value is that 30000 bis-fatty acid and certain herbaceous plants with big flowers diacid (SA) copolymer (bis-fatty acid: the certain herbaceous plants with big flowers diacid is 20: 80) are put into container, add 100 milliliters of dichloromethane, behind the dissolving mixing, add 15mg paclitaxel and 15mg vinorelbine, shake up the dry organic solvent of removing of final vacuum again.Dried pastille solid composite freezing and pulverizing is made the micropowder that contains 10% paclitaxel and 10% vinorelbine, be suspended in then in the normal saline that contains 1.5% sodium carboxymethyl cellulose, make corresponding suspension type slow releasing injection, viscosity is 380cp-460cp (25 ℃-30 ℃ time).The drug release time of this slow releasing injection in external normal saline is 10-15 days, is about 20-30 days at the subcutaneous drug release time of mice.
Embodiment 18.
The method step that is processed into slow releasing injection is identical with embodiment 17, but different is that contained anticancer effective component and percentage by weight thereof are:
15% paclitaxel or docetaxel and 15% aclarubicin; amycin; epirubicin; darubicin; pirarubicin; valrubicin; ametycin; actinomycin D; losoxantrone; mitoxantrone; piroxantrone; teloxantrone; vincristine; vincaleucoblastine; vinorelbine; alestramustine; atrimustine; ambamustine; nimustine; bendamustine; ditiomustine; bofumustine; carmustine; elmustine; ecomustine; CNCC; galamustine; fotemustine; estramustine; hemustine heCNU He; pentamustine; mannomustine; lomustine; methyl lomustine; semustine; Ranimustine; prednimustine; uracil mustard; Sarmustine SarCNU; tauromustine; streptozocin; tallimustine; spiromustine; the appropriate azoles amine of miaow; cyclophosphamide; melphalan; paclitaxel; Docetaxel (docetaxel); 2 '-hydroxyl taxol; 10-removes the acetyl taxol; 7-table-taxol; vincristine; vincaleucoblastine; vinorelbine; vindesine; Vinmegallate; vinleurosine; vinleucinol; vinglycinate; vinfosiltine; vinformide; vinflunine; vinepidine; vinzolidine; vintriptol; vinrosidine; the combination of monocrotaline or cephalotaxin.
Embodiment 19
The method step that is processed into slow releasing agent is identical with embodiment 1-18, but different is used slow-release auxiliary material is one of following or its combination:
A) polylactic acid (PLA), the molecular weight peak value is 10000-30000,300000-60000,60000-100000 or 100000-150000;
B) copolymer of polyglycolic acid and hydroxyacetic acid (PLGA), wherein, the ratio of polyglycolic acid and hydroxyacetic acid is 50-95: 50-50, the molecular weight peak value is 10000-30000,300000-60000,60000-100000 or 100000-150000;
C) ethylene vinyl acetate copolymer (EVAc);
D) polifeprosan, to carboxy phenyl propane (p-CPP): certain herbaceous plants with big flowers diacid (SA) is 10: 90,20: 80,30: 70,40: 60,50: 50 or 60: 40;
D) bis-fatty acid and decanedioic acid copolymer (PFAD-SA)];
E) poly-(erucic acid dimer-decanedioic acid) [P (EAD-SA)];
F) poly-(fumaric acid-decanedioic acid) [P (FA-SA)];
G) xylitol, oligosaccharide, chrondroitin, chitin, hyaluronic acid, collagen protein, gelatin or white tempera.
Embodiment 20
The method step that is processed into slow releasing injection is identical with embodiment 1-19, but different is used suspending agent is respectively one of following or its combination:
A) 0.5-3.0% carboxymethyl cellulose (sodium);
B) 5-15% mannitol;
C) 5-15% sorbitol;
D) 0.1-1.5% surfactant;
E) 0.1-0.5% polysorbas20.
Embodiment 21
The method step that is processed into slow releasing injection is identical with embodiment 1-20, but different is that contained anticancer effective component is: 15% aclarubicin; amycin; epirubicin; darubicin; pirarubicin; valrubicin; ametycin; actinomycin D; losoxantrone; mitoxantrone; piroxantrone; teloxantrone; vincristine; vincaleucoblastine; vinorelbine; alestramustine; atrimustine; ambamustine; nimustine; bendamustine; ditiomustine; bofumustine; carmustine; elmustine; ecomustine; CNCC; galamustine; fotemustine; estramustine; hemustine heCNU He; pentamustine; mannomustine; lomustine; methyl lomustine; semustine; Ranimustine; prednimustine; uracil mustard; Sarmustine SarCNU; tauromustine; streptozocin; tallimustine; spiromustine; the appropriate azoles amine of miaow; cyclophosphamide; melphalan; paclitaxel; Docetaxel (docetaxel); 2 '-hydroxyl taxol; 10-removes the acetyl taxol; 7-table-taxol; vincristine; vincaleucoblastine; vinorelbine; vindesine; Vinmegallate; vinleurosine; vinleucinol; vinglycinate; vinfosiltine; vinformide; vinflunine; vinepidine; vinzolidine; vintriptol; vinrosidine; monocrotaline or cephalotaxin.
Embodiment 22
The method step that is processed into slow releasing injection is identical with embodiment 1-20, but different is that contained anticancer effective component is:
(a) 15% amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone or teloxantrone;
(b) 15% paclitaxel or docetaxel;
(c) 15% nimustine, carmustine, cyclophosphamide or melphalan;
(d) 15% vincristine, vincaleucoblastine or vinorelbine;
(e) combination of 15% paclitaxel or docetaxel and 15% amycin, epirubicin, darubicin, pirarubicin, valrubicin, ametycin, actinomycin D, losoxantrone, mitoxantrone, piroxantrone or teloxantrone;
(f) combination of 15% paclitaxel or docetaxel and 15% nimustine, carmustine, cyclophosphamide or melphalan; Or
(h) 15% paclitaxel and 15% vincristine, vincaleucoblastine or vinorelbine.
Above embodiment only is used for explanation, and is not limitation application of the present invention.
The present invention disclosed and the protection the content see claim.
Claims (2)
1. slow-releasing anticarcinogen injection that contains taxane is grouped into by following one-tenth:
(1) anticancer effective component is 15% Docetaxel and 15% nimustine, and slow-release auxiliary material is that 70% molecular weight peak value is 25000 polylactic acid, and solvent is the normal saline that contains 1.5% sodium carboxymethyl cellulose;
(2) anticancer effective component is 20% paclitaxel and 10% carmustine, and slow-release auxiliary material is 70% ethylene vinyl acetate copolymer, and solvent is the injection that contains the 5-15% sorbitol.
2. the slow-releasing anticarcinogen injection according to claim 1, it is characterized in that sustained-release micro-spheres in the slow-releasing anticarcinogen injection also is used for the preparation treatment and originates from people and animal brain, the central nervous system, kidney, liver, gallbladder, incidence, the oral cavity, thyroid, skin, mucosa, body of gland, blood vessel, osseous tissue, lymph node, lungs, esophagus, stomach, mammary gland, pancreas, eyes, nasopharynx part, the uterus, ovary, endometrium, cervix uteri, prostate, bladder, former or the cancer of secondary of colon or rectum, the sustained-release implant of sarcoma or carcinosarcoma is in tumor or tumor week injection or place administration.
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| CNA2008103036391A CN101336899A (en) | 2006-01-25 | 2006-01-25 | Anticancer sustained-released injection containing taxane |
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| CNA2008103036391A CN101336899A (en) | 2006-01-25 | 2006-01-25 | Anticancer sustained-released injection containing taxane |
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| CNA2006102000798A Division CN1839817A (en) | 2006-01-25 | 2006-01-25 | Anticancer slow release injection containing taxone |
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| CN101336899A true CN101336899A (en) | 2009-01-07 |
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| WO2019136188A1 (en) * | 2018-01-05 | 2019-07-11 | Crititech, Inc. | Treatment of bladder cancer by intratumoral injection of taxane particles |
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| WO2019231498A1 (en) * | 2018-05-31 | 2019-12-05 | Crititech, Inc. | Treatment of kidney tumors by intratumoral injection of taxane particles |
| US10507195B2 (en) | 2015-06-04 | 2019-12-17 | Crititech, Inc. | Taxane particles and their use |
| US11058639B2 (en) | 2017-10-03 | 2021-07-13 | Crititech, Inc. | Local delivery of antineoplastic particles in combination with systemic delivery of immunotherapeutic agents for the treatment of cancer |
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| US11737972B2 (en) | 2017-06-09 | 2023-08-29 | Crititech, Inc. | Treatment of epithelial cysts by intracystic injection of antineoplastic particles |
| US11523983B2 (en) | 2017-06-09 | 2022-12-13 | Crititech, Inc. | Treatment of epithelial cysts by intracystic injection of antineoplastic particles |
| US10398646B2 (en) | 2017-06-14 | 2019-09-03 | Crititech, Inc. | Methods for treating lung disorders |
| US10507181B2 (en) | 2017-06-14 | 2019-12-17 | Crititech, Inc. | Methods for treating lung disorders |
| US11160754B2 (en) | 2017-06-14 | 2021-11-02 | Crititech, Inc. | Methods for treating lung disorders |
| US11058639B2 (en) | 2017-10-03 | 2021-07-13 | Crititech, Inc. | Local delivery of antineoplastic particles in combination with systemic delivery of immunotherapeutic agents for the treatment of cancer |
| US11583499B2 (en) | 2017-10-03 | 2023-02-21 | Crititech, Inc. | Local delivery of antineoplastic particles in combination with systemic delivery of immunotherapeutic agents for the treatment of cancer |
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| WO2019231498A1 (en) * | 2018-05-31 | 2019-12-05 | Crititech, Inc. | Treatment of kidney tumors by intratumoral injection of taxane particles |
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